65     fn bus(&self) -> Option<Weak<dyn Bus>> {  in bus()
69     fn set_bus(&self, bus: Option<Weak<dyn Bus>>) {  in set_bus()
73     fn set_class(&self, class: Option<Weak<dyn Class>>) {  in set_class()
77     fn class(&self) -> Option<Arc<dyn Class>> {  in class()
86     fn driver(&self) -> Option<Arc<dyn Driver>> {  in driver()
90     fn set_driver(&self, driver: Option<Weak<dyn Driver>>) {  in set_driver()
108     fn dev_parent(&self) -> Option<Weak<dyn Device>> {  in dev_parent()
112     fn set_dev_parent(&self, parent: Option<Weak<dyn Device>>) {  in set_dev_parent()
122     fn set_inode(&self, inode: Option<Arc<KernFSInode>>) {  in set_inode()
126     fn inode(&self) -> Option<Arc<KernFSInode>> {  in inode()
130     fn parent(&self) -> Option<Weak<dyn KObject>> {  in parent()
134     fn set_parent(&self, parent: Option<Weak<dyn KObject>>) {  in set_parent()
138     fn kset(&self) -> Option<Arc<KSet>> {  in kset()
142     fn set_kset(&self, kset: Option<Arc<KSet>>) {  in set_kset()
146     fn kobj_type(&self) -> Option<&'static dyn KObjType> {  in kobj_type()
150     fn set_kobj_type(&self, ktype: Option<&'static dyn KObjType>) {  in set_kobj_type()